20340403001 has 2 divisors, whose sum is σ = 20340403002. Its totient is φ = 20340403000.

The previous prime is 20340402967. The next prime is 20340403007. The reversal of 20340403001 is 10030404302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12757476601 + 7582926400 = 112949^2 + 87080^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340403001 - 2²⁶ = 20273294137 is a prime.

It is not a weakly prime, because it can be changed into another prime (20340403007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170201500 + 10170201501.

It is an arithmetic number, because the mean of its divisors is an integer number (10170201501).

Almost surely, 2^20340403001 is an apocalyptic number.

It is an amenable number.

20340403001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340403001 is an equidigital number, since it uses as much as digits as its factorization.

20340403001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20340403001 its reverse (10030404302), we get a palindrome (30370807303).

The spelling of 20340403001 in words is "twenty billion, three hundred forty million, four hundred three thousand, one".